respiration volumes and capacities
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29 Terms
total lung capacity
TLC stands for
tidal volume
TV stands for
inspiratory reserve volume
IRV stands for
expiratory reserve volume
ERV stands for
residual volume
RV stands for
functional residual capacity
FRC stands for
vital capacity
VC stands for
forced vital capacity
FVC stands for
TLC=TV+IRV+ERV+RV
Equation for TLC
IC=TV+IRV
equation for inspiratory capacity
FRC= RV+ERV
Equation for functional residual capacity
VC=TV+IRV+ERV
Equation for vital capacity
capacity
sum of 2 or more volumes
total lung capacity
max volume of air lungs have at full inspiraton
Inspiratory capacity
air that can be inspired from beginning of tidal exhalation
functional residual capacity
air that remains in lungs at end of tidal exhalation
vital capacity
air in lungs under volitional control
Tidal volume
air inspired or expired in normal resting ventilation
residual volume (RV)
A value that is not under volitional control
Functional residual capacity, residual volume, expiratory reserve volume
What is increased in an obstructive lung disease?
total lung capacity, Vital capacity, functional residual capacity, residual volume
what is decreased in restrictive lung disease?
500 mL/breath
tidal volume for a white man
400 mL/breath
tidal volume for white woman
6-7%
percentage Asian population tidal volume is reduced
12%
percentage Black population tidal volume reduced
350 mL
Amount of inspired air that takes place in gas exhcange
150 mL
amount of air considered anitomical dead space
anitomical dead space
remaining air in from a tidal breath that does not partake in gas exchange